#0F64EB
Closest named color: Azul (#1D5DEC). oklch(54.4% 0.217 260.5), rgb(15, 100, 235).
Aa
White text reads best on this color (5.19:1).
About this color
#0F64EB is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.217 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.016 away. White text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.217) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #0F64EB |
| RGB | rgb(15, 100, 235) |
| HSL | hsl(217, 88%, 49%) |
| OKLCH | oklch(54.4% 0.217 260.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0F64EB | 5.19:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #0F64EB | 4.04:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #0F64EB text on white | 5.19:1 | AA | Lc 74.9 | Content text, not long reading |
| #0F64EB text on black | 4.04:1 | AA large text | Lc -26.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9DC2FF
oklch(81% 0.096 260.2)
-
Step 400
400
#679FFF
oklch(70.7% 0.153 260.6)
-
Step 500
500
#3B83FF
oklch(63.1% 0.198 260.5)
-
Step 600
600 (this color)
#0F64EB
oklch(54.4% 0.217 260.5)
-
Step 700
700
#0555D0
oklch(49% 0.202 260.6)
-
Step 800
800
#0B47A8
oklch(42.7% 0.167 260.5)
-
Step 900
900
#123D85
oklch(37.7% 0.13 260.3)
-
Step 950
950
#0C244E
oklch(26.9% 0.083 260.7)
#0F64EB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0077F0 | 0.046 |
| Deuteranopia (no green cones) | #0064E8 | 0.006 |
| Tritanopia (no blue cones) | #00879E | 0.165 |
| Achromatopsia (no color) | #6D6D6D | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F64EB
#0F64EB
oklch(54.4% 0.217 260.5)
- #916700
#916700
oklch(54.3% 0.112 80.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0F64EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.016
- Cerulean Blue #056EEE ΔE 0.024
- Bright Blue #0165FC ΔE 0.026
- Neon Blue #4361EE ΔE 0.034
- Royal Blue #4169E1 ΔE 0.039
- Electric Blue #0652FF ΔE 0.049
- Warm Blue #4B57DB ΔE 0.053
- Clear Blue #247AFD ΔE 0.062
Use #0F64EB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.